<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{goods_info.goods_price}}</view>
			<!-- 商品信息主体区域 -->
			<view class="goods-info-body">
				<!-- 商品的名字 -->
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递：免运费</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<!-- 商品导航组件区 -->
		<view class="goods_nav">
			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick"
				@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {
			mapState,
			mapMutations,
			mapGetters
		} from 'vuex'
	import {
		mapState,
		mapMutations,
		mapGetters
	} from 'vuex'
	export default {
		computed: {
			...mapState('m_cart', []),
			...mapGetters('m_cart', ['total'])
		},
		watch: {
			// total(newVal){
						// 	const findResult=this.options.find(x=>x.text==='购物车')
						// 	if(findResult){
						// 		findResult.info=newVal
						// 	}
						// }
						total: {
										handler(newVal) {
											const findResult = this.options.find(x => x.text === '购物车')
											         if (findResult) {
											            findResult.info = newVal
											}
							},
							immediate:true
			}
		},
		data() {
			return {
				goods_info: {},
				options: [{
					icon: 'shop',
										text: '店铺',
										infoBackgroundColor: '#ff0000',
										infoColor: "#fff"
									}, {
										icon: 'cart',
										text: '购物车',
										info: 0
									}],
									buttonGroup: [{
											text: '加入购物车',
											backgroundColor: '#ff0000',
											color: '#fff'
										},
										{
											text: '立即购买',
											backgroundColor: '#ffa200',
											color: '#fff'
										}
									]
			};
		},
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		},
		methods: {
			...mapMutations('m_cart', ['addToCart']),
			async getGoodsDetail(goods_id) {
				const {
									data: res
								} = await uni.$http.get('/api/public/v1/goods/detail', {
									goods_id
								})
				})
				if (res.meta.status !== 200) return uni.$showMsg()

				res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g,
					'<img style="display:block;"').replace(/webp/g, 'jpg')

				this.goods_info = res.message
			},
			preview(i) {
				uni.previewImage({
					current: i,
					urls: this.goods_info.pics.map(x => x.pics_big)
				})
				onClick(e) {
						if (e.content.text === '购物车') {
							uni.switchTab({
								url: '/pages/cart/cart'
							})
						}
					},
					buttonClick(e) {
						if (e.content.text === '加入购物车') {
							//组织商品的信息对象
							// { goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state }
							const goods = {
								goods_id: this.goods_info.goods_id,
								goods_name: this.goods_info.goods_name,
								goods_price: this.goods_info.goods_price,
								goods_count: 1,
								goods_small_logo: this.goods_info.goods_small_logo,
								goods_state: true
							}


							//调用addToCart方法
							this.addToCart(goods)
						}
					}
			};
		}
	}
</script>

<style lang="scss">
	swiper {
			height: 750rpx;
	
			image {
				width: 100%;
				height: 100%;
			}
		}
	
		.goods-info-box {
			padding: 10px;
			padding-right: 0;
	
			.price {
				color: #c00000;
				font-size: 18px;
				margin: 10px 0;
			}
	
			.goods-info-body {
				display: flex;
				justify-content: space-between;
	
				.goods-name {
					font-size: 13px;
					padding-right: 10px;
				}
	
				// 收藏区域
				.favi {
					width: 120px;
					font-size: 12px;
					display: flex;
					flex-direction: column;
					justify-content: center;
					align-items: center;
					border-left: 1px solid #efefef;
					color: gray;
				}
			}
	
			// 运费
			.yf {
				margin: 10px 0;
				font-size: 12px;
				color: gray;
			}
		}
	
		.goods-detail-container {
	
			padding-bottom: 50px;
		}
	
		.goods_nav {
	
			position: fixed;
			bottom: 0;
			left: 0;
			width: 100%;
		}
	</style>
	
</style>